Dual-chamber bottle



FIG. 1 is a right side perspective view of a dual-chamber bottle showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is front view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a dual-chamber bottle, as shown. 